Home / 2,270,062.28-3,405,105.72-672,639.20

Finding the Fourth Proportional to 2,270,062.28, 3,405,105.72 and 672,639.20

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Solution

The fourth proportional to 2,270,062.28, 3,405,105.72 and 672,639.20 is: 1,008,962.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270,062.28 : 3,405,105.72 = 672,639.20 : x
  2. Step 2: Convert to fraction form
    2,270,062.28/3,405,105.72 = 672,639.20/x
  3. Step 3: Cross multiply
    2,270,062.28x = 3,405,105.72 × 672,639.20
  4. Step 4: Simplify right side
    2,270,062.28x = 2,290,407,587,416.22
  5. Step 5: Solve for x
    x = 2,290,407,587,416.22/2,270,062.28
  6. Step 6: Final answer
    x = 1,008,962.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.